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Hackers leak one million UDIDs, claim FBI holds 12 million

Hacker group Antisec has released a collection of over one million Apple Unique Device Identifiers (UDIDs) and related push notification tokens, which it claims to have taken from an FBI database with over 12 million UDIDs and related personal account information, including user names, device names, telephone numbers and addresses. The group suggests that the UDIDs may have been used by the FBI for device surveillance. Neither Apple nor the FBI has commented as of yet. [via Pastebin]

Users can find out how to locate their UDID at What’s my UDID?, and that information can be cross-checked against the list here. Privacy-concerned users should note that submitting their UDIDs to a random site such as this may well be insecure.

Updated: In a tersely worded statement, the FBI has denied Antisec’s claims that it sought or obtained Apple UDID data, or that an FBI laptop containing UDID data was compromised. A separate post to Twitter called the claims “totally false.” [via 9to5Mac]